This reseach examines the performance rates of management care organizations as stakeholders and
the implication for public health. D ata on core measures of diabetes care - hemoglobin A1C, serum cholesterol
level, eye exam and kidney disease were used. The results show that variations exist in diabetes management
within and between managed cares. Realizing the causes of variability w ithin all stakeholders in diabetes care
is the key to developing and implementing targeted quality improvement strategies and programs.